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Title

Estimation of clamp force in brake-by-wire systems: a step-by-step identification approach

Author(s)

Hoseinnezhad, Reza;  Saric, Stephen;  Bab-Hadiashar, Alireza

Abstract

Elimination of a clamp force sensor from brake-by-wire system designs is strongly demanded due to implementation difficulties and cost issues. In this paper a new method is presented to estimate clamp force using the motor angular position of the actuator that can be sensed by an internal resolver. The estimator is a dynamic nonlinear model that is derived from a system identification approach where frequency domain analysis is merged with nonlinear compensation. The designed estimator is able to accurately track a wide range of sinusoidal, ramp and random clamp force signals. It is particularly tolerable to high-speed cases as demanded by ABS controls. This paper is concluded with further investigation detailed that is necessary to ensure a robust clamp force estimator is developed.

Publication type

Conference paper

Research centre

Swinburne University of Technology. Faculty of Engineering and Industrial Sciences

Source

Technical papers from the Society of Automotive Engineers World Congress and Exhibition (SAE 2006), Detroit, Michigan, United States, 03-06 April 2006

Publication year

2006

Publisher

SAE International

ISSN

0148-7191 (series ISSN)

Publisher URL

http://www.sae.org/technical/papers/2006-01-1154

Copyright

SAE Paper 2006-01-1154 copyright © 2006 SAE International. Accepted manuscript of the paper reproduced here with the kind permission of the publisher. This paper is posted on this site with permission from SAE International. As a user of this site, you are permitted to view this paper on-line, and print one copy of this paper at no cost for your use only. This paper may not be copied, distributed or forwarded to others for any use without permission from SAE.

Full text

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